National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). ISBN978-0-309-48834-1. PMID30844154.
National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). ISBN978-0-309-48834-1. PMID30844154.
Piñon Nut Act(PDF) (New Mexico Statutes 25, Article 10, Sections 1 through 5). 1978. Retrieved 25 June 2018. Archived 4 November 2021 at the Wayback Machine
Meeuwig, R. O.; Budy, J. D.; Everett, R. L. "Singleleaf Pinyon". USDA. Retrieved 4 June 2023. Difference in ... cone production among trees growing on identical sites are [sic] commonly observed.
Piñon Nut Act(PDF) (New Mexico Statutes 25, Article 10, Sections 1 through 5). 1978. Retrieved 25 June 2018. Archived 4 November 2021 at the Wayback Machine